summaryrefslogtreecommitdiff
path: root/FreeRTOS/Demo/PIC18_WizC/ParTest/ParTest.c
blob: c941271d7c3c7b1828d2b9de5099a3a1cfe04af2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*
    FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd.

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    ***************************************************************************
     *                                                                       *
     *    FreeRTOS provides completely free yet professionally developed,    *
     *    robust, strictly quality controlled, supported, and cross          *
     *    platform software that has become a de facto standard.             *
     *                                                                       *
     *    Help yourself get started quickly and support the FreeRTOS         *
     *    project by purchasing a FreeRTOS tutorial book, reference          *
     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *
     *                                                                       *
     *    Thank you!                                                         *
     *                                                                       *
    ***************************************************************************

    This file is part of the FreeRTOS distribution.

    FreeRTOS is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License (version 2) as published by the
    Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.

    >>! NOTE: The modification to the GPL is included to allow you to distribute
    >>! a combined work that includes FreeRTOS without being obliged to provide
    >>! the source code for proprietary components outside of the FreeRTOS
    >>! kernel.

    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    FOR A PARTICULAR PURPOSE.  Full license text is available from the following
    link: http://www.freertos.org/a00114.html

    1 tab == 4 spaces!

    ***************************************************************************
     *                                                                       *
     *    Having a problem?  Start by reading the FAQ "My application does   *
     *    not run, what could be wrong?"                                     *
     *                                                                       *
     *    http://www.FreeRTOS.org/FAQHelp.html                               *
     *                                                                       *
    ***************************************************************************

    http://www.FreeRTOS.org - Documentation, books, training, latest versions,
    license and Real Time Engineers Ltd. contact details.

    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
    including FreeRTOS+Trace - an indispensable productivity tool, a DOS
    compatible FAT file system, and our tiny thread aware UDP/IP stack.

    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
    Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS
    licenses offer ticketed support, indemnification and middleware.

    http://www.SafeRTOS.com - High Integrity Systems also provide a safety
    engineered and independently SIL3 certified version for use in safety and
    mission critical applications that require provable dependability.

    1 tab == 4 spaces!
*/

/* 
Changes from V3.0.0

Changes from V3.0.1
*/

/* Scheduler include files. */
#include "FreeRTOS.h"
#include <task.h>

#include "partest.h"

/*-----------------------------------------------------------
 * Simple parallel port IO routines for the FED 40pin demo board.
 * The four LED's are connected to D4 to D7.
 *-----------------------------------------------------------*/

#define partstBIT_AS_OUTPUT			( ( unsigned short ) 0 )
#define partstSET_OUTPUT			( ( unsigned short ) 1 )
#define partstCLEAR_OUTPUT			( ( unsigned short ) 0 )

#define partstENABLE_GENERAL_IO		( ( unsigned char ) 7 )

/*-----------------------------------------------------------*/

void vParTestInitialise( void )
{
	/* Set the top four bits of port D to output. */
	bTRD7		= partstBIT_AS_OUTPUT;
	bTRD6		= partstBIT_AS_OUTPUT;
	bTRD5		= partstBIT_AS_OUTPUT;
	bTRD4		= partstBIT_AS_OUTPUT;

	/* Start with all bits off. */
	bRD7		= partstCLEAR_OUTPUT;
	bRD6		= partstCLEAR_OUTPUT;
	bRD5		= partstCLEAR_OUTPUT;
	bRD4		= partstCLEAR_OUTPUT;

	/* Enable the driver. */
	ADCON1		= partstENABLE_GENERAL_IO;
	bTRE2		= partstBIT_AS_OUTPUT;
	bRE2		= partstSET_OUTPUT;	
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned char ucLED, char cValue )
{
	/* We are only using the top nibble, so LED 0 corresponds to bit 4. */	
	vTaskSuspendAll();
	{
		switch( ucLED )
		{
			case 3	:	bRD7 = ( short ) cValue;
						break;
			case 2	:	bRD6 = ( short ) cValue;
						break;
			case 1	:	bRD5 = ( short ) cValue;
						break;
			case 0	:	bRD4 = ( short ) cValue;
						break;
			default	:	/* There are only 4 LED's. */
						break;
		}
	}
	xTaskResumeAll();
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned char ucLED )
{
	/* We are only using the top nibble, so LED 0 corresponds to bit 4. */	
	vTaskSuspendAll();
	{
		switch( ucLED )
		{
			case 3	:	bRD7 = !bRD7;
						break;
			case 2	:	bRD6 = !bRD6;
						break;
			case 1	:	bRD5 = !bRD5;
						break;
			case 0	:	bRD4 = !bRD4 );
						break;
			default	:	/* There are only 4 LED's. */
						break;
		}
	}
	xTaskResumeAll();
}